Home / 4,909.14-6,775.20-2,813.25

Finding the Fourth Proportional to 4,909.14, 6,775.20 and 2,813.25

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Solution

The fourth proportional to 4,909.14, 6,775.20 and 2,813.25 is: 3,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.14 : 6,775.20 = 2,813.25 : x
  2. Step 2: Convert to fraction form
    4,909.14/6,775.20 = 2,813.25/x
  3. Step 3: Cross multiply
    4,909.14x = 6,775.20 × 2,813.25
  4. Step 4: Simplify right side
    4,909.14x = 19,060,331.40
  5. Step 5: Solve for x
    x = 19,060,331.40/4,909.14
  6. Step 6: Final answer
    x = 3,882.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.